speedometer

  1. canadak10

    np203 speedometer gears

    Long time listener first time caller… Last thing to get working on my truck is the speedometer. Cable is good, ratio adapter is good, and the metal driven gear is good. I am thinking my problem is the plastic drive gear inside. Mine looks to be red, is it the 7 tooth I need ? And can I get to...
  2. D

    Speedometer working intermittently

    I have an 85 K20 with a 6.2l diesel, 700r4 with a NP241c transfer case. The issue is when I start up and start driving the speedometer works without issue and is accurate, but once I drive for a bit (10 miles or so) the speedometer bounces a couple of times and then dies. It will remain dead...
  3. 83DuallyC30

    83 c30 dually 454 with nv4500 swap need electric speedometer options.

    I have a 1983 Chevrolet C30 dually that I just did a nv4500 swap in and looking to swap mechanical speedometer to electric speedometer. 1. Does anyone know what's needed to swap to a factory electric speedometer gauge and would it work with the nv4500? 2. I've also came across a Dakota digital...
  4. fast_n_low86

    Calibrating speedometer.

    I recently replaced my 3.08 gearing to 3.42 on my 8.5" and since then my speedo is out to lunch when I'm trying to do highway speed (100km/h). Needle is buried when I'm only doing 109km/h. How could I recalibrate this. Also have my winter tires on and the are 235/75r15. Also will have to...
  5. RobertWichert

    Gauge Cluster Replacement

    I need your help and advice regarding a gauge cluster replacement for my 1975 K10. I asked my transmission shop friend to replace my speedometer cable because it (or the speedo) is noisy. He reported back that he had to disassemble the dash to gain access to the cable connection to the back of...
  6. Mory Rugg

    NP205 Speedometer Issue

    After some research and investigation, it would appear that I have a driven gear issue. As I separated the speedo cable and took off what I believe is a ratio adapter, they all appear to be in working condition (the cable spins the speedometer and the adapter turns as well). So this leaves the...

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